in the past iran has threatened to shut down the waterway. >>> and at the united nations iran leader started on the offensive, he denounced the united states for trying to shut down the nuclear program and said iran doesn't fear a strike on its nuclear facility. the president also denied iran is providing weapons or training to syria. >> the president is scheduled to address the un general assembly tomorrow. he arrived attended a reception this evening. in his speech the white house said he will talk about the anti american protests across the globe. he has received some flack for not meeting with world leaders but having time to appear on a tv talk show. one aid said if he met with one world leader he would have to meet with ten. >>> romney seized on become's words to attack him. the president referred to events in the middle east as bumps in the road on the transition. >> bumps on the road. am ambassador assassinated, a muslim brotherhood elected to the leadership of egypt, 20,000 people killed in syria. >> romney said the united states should not be at the mercy of events in the m